Top Certification CWAP-404 Exam Infor & Leader in Qualification Exams & Unparalleled CWNP Certified Wireless Analysis Professional

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Practicing with CWNP CWAP-404 Exam questions will help you to become an expert in and acquire the CWNP CWAP-404. CWNP CWAP-404 Exam Questions allow you to verify your skills as a professional. You have to pass the CWNP CWAP-404 to achieve the associate-level certification.

CWNP CWAP-404 Exam Topics:

Section	Objectives
Protocol Analysis - 15%
Capture 802.11 frames using the appropriate methods	- Select capture devices Laptop protocol analyzers APs, controllers, and other management solutions Specialty devices (hand-held analyzers and custom-built devices) - Install monitor mode drivers - Select capture location(s) - Capture sufficient data for analysis - Capture all channels or capture on a single channel as needed - Capture roaming events
Understand and apply the common capture configuration parameters available in protocol analysis tools	- Save to disk - Packet slicing - Event triggers - Buffer options - Channels and channel widths - Capture filters - Channel scanning and dwell time
Analyze 802.11 frame captures to discover problems and find solutions	- Use appropriate display filters to view relevant frames and packets - Use colorization to highlight important frames and packets - Configure and display columns for analysis purposes - View frame and packet decodes while understanding the information shown and applying it to the analysis process - Use multiple adapters and channel aggregation to view captures from multiple channels - Implement protocol analyzer decryption procedures - View and use a capture’s statistical information for analysis - Use expert mode for analysis - View and understand peer maps as they relate to communications analysis
Utilize additional tools that capture 802.11 frames for analysis and troubleshooting	- WLAN scanners and discovery tools - Protocol capture visualization and analysis tools - Centralized monitoring, alerting, and forensic tools
Ensure appropriate troubleshooting methods are used with all analysis types	- Define the problem - Determine the scale of the problem - Identify probable causes - Capture and analyze the data - Observe the problem - Choose appropriate remediation steps - Document the problem and resolution
Spectrum Analysis - 10%
Capture RF spectrum data and understand the common views available in spectrum analyzers	- Install, configure, and use spectrum analysis software and hardware - Capture RF spectrum data using handheld, laptop-based, and infrastructure spectrum capture solutions - Understand and use spectrum analyzer views Real-time FFT Waterfall, swept spectrogram, density, and historic views Utilization and duty cycle Detected devices WLAN integration views
Analyze spectrum captures to identify relevant RF information and issues	- RF noise floor in an environment - Signal-to-Noise Ratio (SNR) for a given signal - Sources of RF interference and their locations - RF channel utilization - Non-Wi-Fi transmitters and their impact on WLAN communications - Overlapping and non-overlapping adjacent channel interference - Poor performing or faulty radios
Analyze spectrum captures to identify various device signatures	- Identify various 802.11 PHYs DSSS OFDM OFDMA Channel widths Primary channel - Identify non-802.11 devices based on RF behaviors and signatures Frequency hopping devices IoT devices Microwave ovens Video devices RF Jammers Cordless phones
Use centralized spectrum analysis solutions	- AP-based spectrum analysis - Sensor-based spectrum analysis
PHY Layers and Technologies - 10%
Understand and describe the functions of the PHY layer and the PHY protocol data units (PPDUs)	- DSSS (Direct Sequence Spread Spectrum) - HR/DSSS (High Rate/Direct Sequence Spread Spectrum) - OFDM (Orthogonal Frequency Division Multiplexing) - ERP (Extended Rate PHY) - HT (High Throughput) - VHT (Very High Throughput) - HE (High Efficiency) HE SU PPDU HE MU PPDU HE ER SU PPDU HE TB PPDU HE NULL data packets
Apply the understanding of PHY technologies, including PHY headers, preambles, training fields, frame aggregation, and data rates, to captured data
Identify and use PHY information provided within pseudo-headers in protocol analyzers	- Pseudo-Header formats Radiotap Per Packet Information (PPI) - Key pseudo-header content Guard intervals Resource units allocation PPDU formats Signal strength Noise Data rate and MCS index Length information Channel center frequency or received channel Channel properties
Recognize the limits of protocol analyzers to capture PHY information including NULL data packets and PHY headers
Use appropriate capture devices based on proper understanding of PHY types	- Supported PHYs - Supported spatial streams
MAC Sublayer and Functions - 25%

CWNP CWAP-404 Exam Certification Details:

Sample Questions	CWNP CWAP-404 Sample Questions
Exam Registration	PEARSON VUE
Passing Score	70%
Exam Code	CWAP-404 CWAP

>> Certification CWAP-404 Exam Infor <<

CWAP-404 Study Group | New CWAP-404 Exam Notes

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CWNP Certified Wireless Analysis Professional Sample Questions (Q25-Q30):

NEW QUESTION # 25
What must occur before an HT STA operating in an EDCA BSS can transmit a data frame over the wireless medium? (Choose 3)

A. Its NAV must be equal to one.
B. The backoff timer for the AC must equal zero.
C. Its CCA must report that the medium is idle.
D. The appropriate interframe space must expire.
E. The STA must receive a BlockAck, resetting the NAV to zero.
F. The AP must issue the STA a TXOP.

Answer: B,C,D

NEW QUESTION # 26
You have been recently hired as the wireless network administrator for an organization spread across seven locations. They have deployed more than 100 APs, but they have not been managed in either an automated or manual process for more than 18 months.
Given this length of time, what is one of the first things you should evaluate from a support perspective?

A. The firmware revision
B. The VLANs in use
C. The data rates allowed
D. The channels in use

Answer: A

NEW QUESTION # 27
Which statements are true regarding Beacons from an AP in an HT infrastructure BSS that is configured with multiple WLAN profiles? (Choose 3)

A. The Destination Address is always FF:FF:FF:FF:FF:FF.
B. The BSSID and Source Address are always the same.
C. The Receiver address and the BSSID are always the same.
D. When the SSID is "hidden," the ESS subfield of the Capability Information field distinguishes one BSS from another.
E. The Beacon interval must be the same for all WLANs (SSIDs) supported by a single AP
F. Beacons can be disabled for security purposes.
G. All Beacons generated by APs contain a TIM information element.

Answer: A,B,G

NEW QUESTION # 28
How long, in microseconds, is the required Slot Time that is announced by an AP in an HT BSS when HR/DSSS, ERP-OFDM, and HT-OFDM client stations are associated to the AP?

A. 10 μs
B. 4 μs
C. 20 μs
D. 2 μs
E. 9 μs

Answer: C

NEW QUESTION # 29
Which one of the best following is an advantage of using display filters instead of capture-time filters?

A. Display filters only hide the packets from view and the filtered packets can be enabled for view later
B. Display filters allow for focused analysis on just the packets of interest
C. Multiple display filters can be applied simultaneously
D. Once created display filters are reusable for later captures

Answer: B

Explanation:
display filters allow you to focus on things of interest and to ignore things you don't care about.
Reference: https://searchnetworking.techtarget.com/tip/How-to-manage-Wireshark-display-filters

NEW QUESTION # 30
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TOP CERTIFICATION CWAP-404 EXAM INFOR & LEADER IN QUALIFICATION EXAMS & UNPARALLELED CWNP CERTIFIED WIRELESS ANALYSIS PROFESSIONAL

Top Certification CWAP-404 Exam Infor & Leader in Qualification Exams & Unparalleled CWNP Certified Wireless Analysis Professional